Bureau 749, as the most secretive paranormal investigation agency in China, handles all kinds of abnormal events that cannot be explained by science. Only a few high-level officials are aware of its existence. As the youngest team leader of Bureau 749, Yan Yan led psychology expert Qin Luoyu and technical genius Gu Yiman to form a special investigation team. The three of them each have unique skills but very different personalities. The three of them explore one bizarre incident after another.
